87-Fr-200



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (3+)                  
       ground state(+X)                        
Mass (The Ame2012 atomic mass evaluation (II) by M.Wang, G.Audi, A.H.Wapstra, F.G.Kondev, M.MacCormick, X.Xu, and B.Pfeiffer Chinese Physics C36 p. 1603-2014, December 2012)
     200.006586003 ± 0.000062916 (amu)  [mass excess = 6134.822 ± 58.606 (keV) ]
Decay data(Chart of the Nuclides 2014)
     Decay mode     Half-life 
       A            49 MS 4          
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0